speckle interferometry

a photographic technique for clarifying the telescopic images of a star by taking short exposures of the electronic images of the star's speckle pattern and extrapolating properties of the starlight to create a more accurate composite image.

speckle interferometry

noun

1.

(astronomy) a technique to increase the angular resolution of telescopes that are impaired by atmospheric turbulence, in which the information from a number of exposures of very short duration is combined